hi @Koplin, please see my added replies to Scott, https://www.uradmonitor.com/topic/model-d-feedback/#post-4651 .

I have noticed that the delay in input is annoying and so far I don’t know the pattern however I did notice if I turn off wifi, gps and activate mute, that the input lag reduces a bit. I do have issue with my USB port cables don’t firmly seat due to the PCB sliding in the case. Likewise for the power button is a tad deep but I actually like this because it prevent accidental activation. Finally the SD card is actually unreachable without tools. I just noticed Radu’s tips on adding something to keep the PCB from floating in the case and will give that a go, might fix the USB cable issue as well.

Stopping some of the modules might help as this frees some of the CPU and there is more time to react to taps. I detailed this in my reply to Scott, but one thing I need to highlight again is that you should be careful with the LCD, not to stress it. The LCD itself is sensitive and touches are recorded, but the CPU can’t process them in real time. So best thing to do when operating the model D, at least in the current firmware, is to click and hold until the action gets registered.
A newer firmware might implement a more clever mechanism to get along this limitation.

Critically my last 3 trips have not shown up online. and I made sure to sync my data and it says “deleting file” etc… so not sure where the data is but I took a trip around my town, cruise ships running their equipment (PM 2.5 samples) around my hospital (Radiation etc) then I took it to my office and hit it with the X-Ray head. I love that the alarm was immediate, activating before the x-ray system finished its cycle (sub 1 second). Regardless of display the device alerted to the high dose (tested several times). These trips/data do not appear online for some reason. Had GPS on and locked until I went inside and my phone tethered the entire time with typical cell tower handoff and such so I am sure there was coverage dropouts at time.

All data is logged in the CSV files, separately, but it’s strange that the sync failed. Please try this repeatedly and let me know if you can see a pattern. Would love to see your x-ray tests myself! Send me the CSVs if you like.

While driving around occasionally behind a bus or big truck I would get what I suspect is an air quality alert (likely PM 2.5) however I couldn’t tell and I was hoping to see the samples online but again some data didn’t appear to make it to the site for some reason. Having a way to “tag” or mark an interesting moment would be neat.

Excellent suggestion! This is a great idea, we will have it for sure.

Overall I like the device and hope that with this sort of feedback that should there be a Rev 2 or firmware changes in the future that we can fix some of these issues. Sounds like firmware will improve as time goes on. I would really like the option of keeping my screen on. I used my portable battery to power the thing and would love to use it with the screen on more. Maybe have the geiger click a separate item you can mute or make louder etc. Our beaches got a lot of debris from the tsunami that caused Fukushima so having a portable device is really nice, not sure what I might find. The Model D didn’t like my BBQ when I lit it 🙂 gave me a nice warning from several feet away. One more addition would be localization options, timezone, MPH vs KPH, pressure, temp C vs F etc. Being in the states I am used to my backward ways.

This kind of feedback is what brought us here, initially the model A got some attention and the community slowly pushed things to more complicated features. So this is gold for me, thank you for taking so much of your time to enter this input.
Thanks for these additional suggestions, they are on the list for the future firmware changes.

Overall I love the device and its rough edges. I am very grateful you kept working at it rather than rushing something out. Even the way it is now I don’t see it as nonfunctional in any way just sub optimal in a few areas and personally I am willing to accept this especially after reading about the challenges you had to overcome to bring this to market and the great feedback/support you provide such as the tape/toothpicks.

Thank you, having your support and encouragements like this certainly made things better.

Keep up the great work